MAINT NOTICED MISSING FASTENERS ON THE RH OUTBOARD MAIN T/E FLAP AT THE FORWARD SLING ATTACH POINTS. FASTENERS WERE DEFERRED UNDER AN SRM CHAPTER THAT LATER WAS DETERMINED TO BE INCORRECT AND SCREWS WERE NOT DEFERRAL.
Synopsis
MAINT NOTICED MISSING FASTENERS ON THE RH OUTBOARD MAIN T/E FLAP AT THE FORWARD SLING ATTACH POINTS. FASTENERS WERE DEFERRED UNDER AN SRM CHAPTER THAT LATER WAS DETERMINED TO BE INCORRECT AND SCREWS WERE NOT DEFERRAL.
Narrative
THIS RPT IS BEING GENERATED TO PROVIDE CLARITY FOR LOG PAGE. ACFT WAS IN MAINT FOR AN 'A' CHK. I RECEIVED A CALL FROM MAINT REQUESTING A DEFERRED ITEM PROJECT FOR 2 EACH SCREWS MISSING IN THE 4-HAND OUTBOARD MAIN FLAP. SCREWS ARE USED TO FILL HOLES FOR ATTACHING SLING FOR REMOVAL OF FLAP. I WAS GIVEN SRM REF. I ISSUED DEFERRED ITEM PROJECT WITH SRM MISSING FASTENER SECTION. AFTER ACFT DEPARTED; I RECEIVED A CALL FROM QUALITY CTL STATING THE SRM REF COULD NOT BE USED FOR FASTENERS MISSING IN TRAILING EDGE FLAPS REF SRM. NOTIFIED MAINT; FIRST FLT OF THE DAY; THAT ACFT WAS GROUNDED UNTIL SCREWS WERE INSTALLED IN R-HAND OUTBOARD MAIN FLAP. MAINT INSTALLED SCREWS AND CLOSED LOG PAGE AND NO DELAY WAS INCURRED. I AM CONFIDENT THAT THIS WAS JUST AN OVERSIGHT. ADVISED MAINT OF MISTAKE MADE AND WILL ENSURE THAT IN THE FUTURE DEFERRALS WILL NOT BE ISSUED WITHOUT REVIEWING THE GENERAL INSTRUCTIONS. ACFT WAS CORRECTED AT FIRST FLT. SUPPLEMENTAL INFO FROM ACN 785417: THE SRM REF STATES THE TYPE OF STRUCTURES THAT ARE PERMITTED TO HAVE MISSING FASTENERS. PARAGRAPH 1B GIVES THE ITEMS THAT ARE NOT APPLICABLE. IF THE SRM LISTED THE NON APPLICABLE ITEMS FIRST; THIS SITUATION WOULD MOST LIKELY NOT HAVE OCCURRED.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.